2,6-Difluoro-7-(3-hydroxy-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-3-methyl-nona-2,4,6-trienoic acid ethyl ester 、
(2Z,4E,6E)-2,6-difluoro-7-(3-hydroxy-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-3-methyl-nona-2,4,6-trienoic acid ethyl ester 、
potassium carbonate 、
1-碘代丙烷 在
ethyl acetate n-hexane 作用下,
以
丙酮 为溶剂,
以the title compound was obtained as a clear syrup (80 mg, 41%)的产率得到(2Z,4E,6E)-2,6-difluoro-3-methyl-7-(5,5,8,8-tetramethyl-3-propoxy-5,6,7,8-tetrahydro-naphthalen-2-yl)-nona-2,4,6-trienoic acid ethyl ester